Help.......trex wont fit
So that means either your pistons stick outta the hole moreso than other LS1's, your push rods are too long, etc.
What head gaskets are you using and how thick are they?
What timing chain are you using? Is it adjustable at all, as far as advancing or retarding the cam? If so, are you 100% SURE its installed staight up? This could be the case, as it sounds like the cam may be installed advanced a few degrees which would make the intake valve open sooner.
are your dots pointed towards each other or when your crank dot is up the cam gear dot faces up as well? easy mistake to do,
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So that means either your pistons stick outta the hole moreso than other LS1's, your push rods are too long, etc.
What head gaskets are you using and how thick are they?
What timing chain are you using? Is it adjustable at all, as far as advancing or retarding the cam? If so, are you 100% SURE its installed staight up? This could be the case, as it sounds like the cam may be installed advanced a few degrees which would make the intake valve open sooner.
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I know its not what you want to hear man, but it really sounds like the pistons need flycutting to me. I wouldve thought the exhaust valve wouldve cleared b/c of it being smaller but if its hitting as well...thats not good.
As much as I hate to say it, I think its time to pull a head off and put some silly puddy on the piston and check to make 100% sure its hitting.
Yes i have the blue firebird from pinks, its sitting in the garage next to the ta,lol.
And yes the dots are pointing together, i did not have th cam gear dot on top its on the bottom meeting the crank gear dot.
as far as the lifters, that could be i guess BUT i have done cams before in these cars (none this big but) and had no problems with the lifters bleed down then.
Guess ill just have to trade this for something else
I know its not what you want to hear man, but it really sounds like the pistons need flycutting to me. I wouldve thought the exhaust valve wouldve cleared b/c of it being smaller but if its hitting as well...thats not good.
As much as I hate to say it, I think its time to pull a head off and put some silly puddy on the piston and check to make 100% sure its hitting.
Yes i have the blue firebird from pinks, its sitting in the garage next to the ta,lol.
And yes the dots are pointing together, i did not have th cam gear dot on top its on the bottom meeting the crank gear dot.
as far as the lifters, that could be i guess BUT i have done cams before in these cars (none this big but) and had no problems with the lifters bleed down then.
Guess ill just have to trade this for something else
I think you have the wrong cam. the trex is 608/612 lift. Just call Thunder tomorrow and ask them but I am sure that as long as you have stock heads there is no ptv issue.
no i need alot of these 







